Moving to Doom Emacs!

.emacs.d/modules/lang/ruby/autoload.el

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+;;; lang/ruby/autoload.el -*- lexical-binding: t; -*-
+
+;;;###autoload
+(defun +ruby|cleanup-robe-servers ()
+  "Clean up dangling inf robe processes if there are no more `enh-ruby-mode'
+buffers open."
+  ;; FIXME This should wait X seconds before cleaning up
+  (unless (or (not robe-mode) (doom-buffers-in-mode 'enh-ruby-mode))
+    (let (inf-buffer kill-buffer-query-functions)
+      (while (setq inf-buffer (robe-inf-buffer))
+        (let ((process (get-buffer-process inf-buffer))
+              confirm-kill-processes)
+          (when (processp process)
+            (kill-process (get-buffer-process inf-buffer))
+            (kill-buffer inf-buffer)))))))

.emacs.d/modules/lang/ruby/config.el

@@ -0,0 +1,165 @@
+;;; lang/ruby/config.el -*- lexical-binding: t; -*-
+
+(after! projectile
+  (add-to-list 'projectile-project-root-files "Gemfile"))
+
+
+;;
+;;; Packages
+
+(use-package! enh-ruby-mode
+  :mode ("\\.\\(?:pry\\|irb\\)rc\\'" . +ruby-init-h)
+  :mode ("\\.\\(?:rb\\|rake\\|rabl\\|ru\\|builder\\|gemspec\\|jbuilder\\|thor\\)\\'" .  +ruby-init-h)
+  :mode ("/\\(?:Berks\\|Cap\\|Gem\\|Guard\\|Pod\\|Puppet\\|Rake\\|Thor\\|Vagrant\\)file\\'" .  +ruby-init-h)
+  :preface
+  (after! ruby-mode
+    (require 'enh-ruby-mode))
+  (defun +ruby-init-h ()
+    "Enable `enh-ruby-mode' if ruby is available, otherwise `ruby-mode'."
+    (if (executable-find "ruby")
+        (enh-ruby-mode)
+      (ruby-mode)))
+  :config
+  (set-electric! '(ruby-mode enh-ruby-mode) :words '("else" "end" "elsif"))
+  (set-repl-handler! '(ruby-mode enh-ruby-mode) #'inf-ruby)
+
+  (when (featurep! +lsp)
+    (add-hook 'enh-ruby-mode-local-vars-hook #'lsp!))
+
+  (after! company-dabbrev-code
+    (add-to-list 'company-dabbrev-code-modes 'enh-ruby-mode nil #'eq)
+    (add-to-list 'company-dabbrev-code-modes 'ruby-mode nil #'eq))
+
+  (after! inf-ruby
+    ;; switch to inf-ruby from compile if we detect a breakpoint has been hit
+    (add-hook 'compilation-filter-hook 'inf-ruby-auto-enter))
+
+  ;; so class and module pairs work
+  (setq-hook! (ruby-mode enh-ruby-mode) sp-max-pair-length 6))
+
+
+(use-package! robe
+  :defer t
+  :init
+  (add-hook! 'enh-ruby-mode-hook
+    (defun +ruby-init-robe-mode-maybe-h ()
+      "Start `robe-mode' if `lsp-mode' isn't active."
+      (unless (or (bound-and-true-p lsp-mode)
+                  (bound-and-true-p lsp--buffer-deferred))
+        (robe-mode +1))))
+  :config
+  (set-repl-handler! 'enh-ruby-mode #'robe-start)
+  (set-company-backend! 'enh-ruby-mode 'company-robe)
+  (set-lookup-handlers! 'enh-ruby-mode
+    :definition #'robe-jump
+    :documentation #'robe-doc)
+  (map! :localleader
+        :map robe-mode-map
+        "'"  #'robe-start
+        ;; robe mode specific
+        "h"  #'robe-doc
+        "rr" #'robe-rails-refresh
+        ;; inf-enh-ruby-mode
+        :prefix "s"
+        "d"  #'ruby-send-definition
+        "D"  #'ruby-send-definition-and-go
+        "r"  #'ruby-send-region
+        "R"  #'ruby-send-region-and-go
+        "i"  #'ruby-switch-to-inf))
+
+
+;; NOTE Must be loaded before `robe-mode'
+(use-package! yard-mode
+  :hook (ruby-mode enh-ruby-mode))
+
+
+(use-package! rubocop
+  :hook (enh-ruby-mode . rubocop-mode)
+  :config
+  (map! :localleader
+        :map rubocop-mode-map
+        "f" #'rubocop-check-current-file
+        "F" #'rubocop-autocorrect-current-file
+        "p" #'rubocop-check-project
+        "P" #'rubocop-autocorrect-project))
+
+
+;;
+;;; Package & Ruby version management
+
+(use-package! rake
+  :defer t
+  :init
+  (setq rake-cache-file (concat doom-cache-dir "rake.cache"))
+  (map! :after enh-ruby-mode
+        :localleader
+        :map enh-ruby-mode-map
+        :prefix "k"
+        "k" #'rake
+        "r" #'rake-rerun
+        "R" #'rake-regenerate-cache
+        "f" #'rake-find-task))
+
+(use-package! bundler
+  :defer t
+  :init
+  (map! :after enh-ruby-mode
+        :localleader
+        :map enh-ruby-mode-map
+        :prefix "b"
+        "c" #'bundle-check
+        "C" #'bundle-console
+        "i" #'bundle-install
+        "u" #'bundle-update
+        "e" #'bundle-exec
+        "o" #'bundle-open))
+
+(after! rbenv
+  (setq rspec-use-rvm nil)
+  (add-to-list 'exec-path (expand-file-name "shims" rbenv-installation-dir)))
+
+
+;;
+;;; Testing frameworks
+
+(use-package! rspec-mode
+  :mode ("/\\.rspec\\'" . text-mode)
+  :init
+  (when (featurep! :editor evil)
+    (add-hook 'rspec-mode-hook #'evil-normalize-keymaps))
+  :config
+  (setq rspec-use-rvm (executable-find "rvm"))
+  (map! :localleader
+        :prefix "t"
+        :map (rspec-verifiable-mode-map rspec-dired-mode-map rspec-mode-map)
+        "a" #'rspec-verify-all
+        "r" #'rspec-rerun
+        :map (rspec-verifiable-mode-map rspec-mode-map)
+        "v" #'rspec-verify
+        "c" #'rspec-verify-continue
+        "l" #'rspec-run-last-failed
+        "T" #'rspec-toggle-spec-and-target
+        "t" #'rspec-toggle-spec-and-target-find-example
+        :map rspec-verifiable-mode-map
+        "f" #'rspec-verify-method
+        "m" #'rspec-verify-matching
+        :map rspec-mode-map
+        "s" #'rspec-verify-single
+        "e" #'rspec-toggle-example-pendingness
+        :map rspec-dired-mode-map
+        "v" #'rspec-dired-verify
+        "s" #'rspec-dired-verify-single))
+
+
+(use-package! minitest
+  :defer t
+  :config
+  (when (featurep! :editor evil)
+    (add-hook 'minitest-mode-hook #'evil-normalize-keymaps))
+  (map! :localleader
+        :map minitest-mode-map
+        :prefix "t"
+        "r" #'minitest-rerun
+        "a" #'minitest-verify-all
+        "s" #'minitest-verify-single
+        "v" #'minitest-verify))

.emacs.d/modules/lang/ruby/doctor.el

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+;;; lang/ruby/doctor.el -*- lexical-binding: t; -*-
+
+(assert! (or (not (featurep! +lsp))
+             (featurep! :tools lsp))
+         "This module requires (:tools lsp)")
+
+(unless (executable-find "ruby")
+  (warn! "Ruby isn't installed."))
+
+(when (executable-find "rbenv")
+  (unless (split-string (shell-command-to-string "rbenv versions --bare") "\n" t)
+    (warn! "No versions of ruby are available via rbenv, did you forget to install one?")))

.emacs.d/modules/lang/ruby/packages.el

@@ -0,0 +1,29 @@
+;; -*- no-byte-compile: t; -*-
+;;; lang/ruby/packages.el
+
+;; Major modes
+(package! enh-ruby-mode)
+(package! yard-mode)
+
+;; REPL
+(package! inf-ruby)
+(when (featurep! :completion company)
+  (package! company-inf-ruby))
+
+;; Programming environment
+(package! rubocop)
+(package! robe)
+
+;; Project tools
+(package! bundler)
+(package! rake)
+
+;; Environment management
+(when (featurep! +rbenv)
+  (package! rbenv))
+(when (featurep! +rvm)
+  (package! rvm))
+
+;; Testing frameworks
+(package! rspec-mode)
+(package! minitest)